Elsevier

Physics Letters B

Volume 38, Issue 6, 20 March 1972, Pages 371-375
Physics Letters B

The contribution of two-particle ladder and RPA terms to the effective interaction in A = 18 nuclei

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Abstract

Two-particle ladder and RPA terms are included in the perturbation expansion for the effective interaction θ in A = 18 nuclei through third order in the reaction matrix. Although the possibility of convergence is improved, this improvement is questionable, because of double counting. Ways for improving the calculation of θ are discussed.

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Work supported in part by NSF (Grant GP-29250).

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